Alaska earthquakes

M2.6 earthquake 143 km S of Unalaska, Alaska

A magnitude 2.6 earthquake struck 143 km S of Unalaska, Alaska on Wed, Oct 23, 2024, 7:44 AM AKDT (15:44 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.5 74 km SSW of Unalaska, Alaska. This one was a foreshock.

Unalaska forecast More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude: 2.6 (ml), micro
Local time: Wed, Oct 23, 2024, 7:44 AM AKDT
UTC: 2024-10-23 15:44:12 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 52.587° N, 166.643° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 5.1 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.12
Depth from: Operator assigned
Station coverage gap: 280°, poorly surrounded by stations
Stations used: 13

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Unalaska, AlaskaPopulation 4,491. Forecast143 kmS

Nearby

Within 100 km, magnitude 1.5 and up: 72 in the 60 days after this one and 113 in the 30 days before it.

After

The first 60 of 72.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000nvz3 (also filed as ak024dnft1bf). Read Tue, Sep 29, 2026, 8:10 AM UTC.